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Todds Bay, feldspar quarry near.......... 105-108
Topaz, definition of......................... 18
occurrence and character of............ 100,147
Topsham, feldspar and quartz at, plate
showing......................... 24
pegmatites in.............. 12,23,41,42,109-119
plate showing....................... 26
Tourmaline, definition of.................... 18
occurrence and character of.....Passim 50-119,
143-144
Tourmalines, gem, definition of.............. 18
occurrence and character of.............. 49,
52,58,60,71,72,78,81-92,96,144
mining of........................../.... 144
prices of................................. 144
views of................................. 88,90
Towne, J. S., quarry of...................... 55-56
